Singer Mary J. Blige is going through a nasty divorce from her now ex husband and manger and she wants to make it clear that their prenup is tight. Her ex Martin "Kendu" Isaacs wants spousal support and for Mary to give a little more money each month TMZ is reporting.

Mary's lawyer Gary Fishbein, filed docs asking the judge to give her prenup the ok to move forward. Martin's lawyer has called it "immensely invalid, unenforceable and unconscionable."

The "No more Drama" singer says they made up the prenup on December 5th, 2003 and got married 2 days later!! She was in love! She filed for divorce back in July! This is sad for Mary and this whole situation. If yall don't remember she was also in some tax trouble to. I wonder if it was all him?hmmmm Great minds what are your thoughts?